Datasheet
Serial EEPROM Series Standard EEPROM
Microwire BUS EEPROM(3-Wire)
BR93Lxx-W
●General Description
BR93Lxx-W is serial EEPROM of serial 3-line interface method
●Features
3-line communications of chip select, serial clock, serial data
input / output (the case where input and output are shared)
Actions available at high speed 2MHz clock(2.5V to 5.5V)
Speed write available (write time 5ms max.）
Same package and pin layout from 1Kbit to 16Kbit
1.8V to 5.5V single power source action
Address auto increment function at read action
Write mistake prevention function
Write prohibition at power on
Write prohibition by command code
Write mistake prevention function at low voltage
Program cycle auto delete and auto end function
Program condition display by READY / BUSY
Low current consumption
At write action (at 5V) : 1.2mA (Typ.)
At read action (at 5V) : 0.3mA (Typ.)
At standby action (at 5V) : 0.1μA (Typ.)(CMOS input)
TTL compatible( input / outputs)
Data retention for 40 years
Endurance up to 1,000,000 times
Data at shipment all addresses FFFFh
●Packages W(Typ.) x D(Typ.) x H(Max.)
SOP8
TSSOP-B8
5.00mm x 6.20mm x 1.71mm
3.00mm x 6.40mm x 1.20mm
SOP- J8
TSSOP-B8J
4.90mm x 6.00mm x 1.65mm
3.00mm x 4.90mm x 1.10mm
SSOP-B8
MSOP8
3.00mm x 6.40mm x 1.35mm
2.90mm x 4.00mm x 0.90mm
DIP-T8
9.30mm x 6.50mm x 7.10mm
Figure.1
●BR93Lxx-W
SOP8
Package type
SOP-J8 SSOP-B8 TSSOP-B8
MSOP8
TSSOPB8J
DIP-T8
RFVM
RFVJ
-
F
RF
FJ RFJ FV RFV FVT RFVT
BR93L46-W
Power source
voltage
1.8V to 5.5V
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128×16
BR93L56-W
1.8V to 5.5V
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256×16
BR93L66-W
1.8V to 5.5V
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8Kbit
512×16
BR93L76-W
1.8V to 5.5V
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16Kbit
1K×16
BR93L86-W
1.8V to 5.5V
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Capacity
Bit format
Type
1Kbit
64×16
2Kbit
4Kbit
○Product structure：Silicon monolithic integrated circuit
www.rohm.com
©2012 ROHM Co., Ltd. All rights reserved.
TSZ22111･14･001
○This product is not designed protection against radioactive rays
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TSZ02201-0R2R0G100390-1-2
31.Aug.2012 Rev.001
